tetoris_c

public

Small block game in C

Star0

Watch0

10 commits 1 branch 2 tags 0 releases791.9 KiB

#include "main.h"

void init_field() {
  uint8_t i, j;
  for(i = 0; i < FULL_HEIGHT; i++) {
    for (j = 0; j < FULL_WIDTH; j++) {
      
      if (
        j < BORDER_WIDTH || 
        j >= FULL_WIDTH - BORDER_WIDTH ||
        i >= FULL_HEIGHT - BORDER_WIDTH
      ) {
        playfield[i][j] = TETRIS; 
      } else {
        playfield[i][j] = EMPTY;
      }
    }
  }
}


piece init_piece(tetromino new_piece) {
  
  piece current_piece = {};

  current_piece.name = new_piece;

  current_piece.y = TOP_GAP;
  current_piece.rotation = TOP;


  switch (current_piece.name) {
    case I_PIECE:
      current_piece.size = 4;
      current_piece.positions = 2;

      current_piece.piece[0][0] = false;
      current_piece.piece[0][1] = false;
      current_piece.piece[0][2] = false;
      current_piece.piece[0][3] = false;

      current_piece.piece[1][0] = true;
      current_piece.piece[1][1] = true;
      current_piece.piece[1][2] = true;
      current_piece.piece[1][3] = true;
      
      current_piece.piece[2][0] = false;
      current_piece.piece[2][1] = false;
      current_piece.piece[2][2] = false;
      current_piece.piece[2][3] = false;
      
      current_piece.piece[3][0] = false;
      current_piece.piece[3][1] = false;
      current_piece.piece[3][2] = false;
      current_piece.piece[3][3] = false;
      
      current_piece.y = 0;

      break;

    case J_PIECE:
      current_piece.size = 3;
      current_piece.positions = 4;
  
      current_piece.piece[0][0] = true;
      current_piece.piece[0][1] = false;
      current_piece.piece[0][2] = false;
      
      current_piece.piece[1][0] = true;
      current_piece.piece[1][1] = true;
      current_piece.piece[1][2] = true;

      current_piece.piece[2][0] = false;
      current_piece.piece[2][1] = false;
      current_piece.piece[2][2] = false;

      break;

    case L_PIECE:
      current_piece.size = 3;
      current_piece.positions = 4;
  
      current_piece.piece[0][0] = false;
      current_piece.piece[0][1] = false;
      current_piece.piece[0][2] = true;
      
      current_piece.piece[1][0] = true;
      current_piece.piece[1][1] = true;
      current_piece.piece[1][2] = true;

      current_piece.piece[2][0] = false;
      current_piece.piece[2][1] = false;
      current_piece.piece[2][2] = false;

      break;

    case O_PIECE:
      current_piece.size = 2;
      current_piece.positions = 1;
  
      current_piece.piece[0][0] = true;
      current_piece.piece[0][1] = true;

      current_piece.piece[1][0] = true;
      current_piece.piece[1][1] = true;
      
      break;

    case S_PIECE:
      current_piece.size = 3;
      current_piece.positions = 2;
  
      current_piece.piece[0][0] = false;
      current_piece.piece[0][1] = true;
      current_piece.piece[0][2] = true;

      current_piece.piece[1][0] = true;
      current_piece.piece[1][1] = true;
      current_piece.piece[1][2] = false;
 
      current_piece.piece[2][0] = false;
      current_piece.piece[2][1] = false;
      current_piece.piece[2][2] = false;

      break;

    case T_PIECE:
      current_piece.size = 3;
      current_piece.positions = 4;
  
      current_piece.piece[0][0] = false;
      current_piece.piece[0][1] = true;
      current_piece.piece[0][2] = false;
      
      current_piece.piece[1][0] = true;
      current_piece.piece[1][1] = true;
      current_piece.piece[1][2] = true;
      
      current_piece.piece[2][0] = false;
      current_piece.piece[2][1] = false;
      current_piece.piece[2][2] = false;

      break;
    case Z_PIECE:
      current_piece.size = 3;
      current_piece.positions = 2;
  
      current_piece.piece[0][0] = true;
      current_piece.piece[0][1] = true;
      current_piece.piece[0][2] = false;

      current_piece.piece[1][0] = false;
      current_piece.piece[1][1] = true;
      current_piece.piece[1][2] = true;

      current_piece.piece[2][0] = false;
      current_piece.piece[2][1] = false;
      current_piece.piece[2][2] = false;

      break;
    default:
      perror("Fuck you\n");
      break;
  }

  current_piece.x = ((FULL_WIDTH >> 1) - (current_piece.size >> 1));

  return current_piece;
}



coord find_direction(piece current_piece, uint8_t x, uint8_t y) {

  coord points = {
    x,
    y
  };

  switch (current_piece.rotation) {
    case TOP:
      /*
      x = k;
      y = j;
      */
      break;
    case RIGHT:
      points.x = y;
      points.y = current_piece.size - (x + 1);
      break;
    case BOTTOM:
      points.x = current_piece.size - (x + 1);
      points.y = current_piece.size - (y + 1);
      break;
    case LEFT:
      points.x = current_piece.size - (y + 1);
      points.y = x;
      break;
  }

  return points;
}


bool valid_position(piece current_piece) {

  uint8_t i, j;

  for(i = 0; i < current_piece.size; i++) {
    for (j = 0; j < current_piece.size; j++) {

      coord points = find_direction(current_piece, j, i);

      if (
        current_piece.piece[i][j] &&
        playfield[current_piece.y + points.y][current_piece.x + points.x] != EMPTY
      ) {
        return false;
      }
    }
  }

  return true;
}

1	#include "main.h"
2
3	void init_field() {
4	uint8_t i, j;
5	for(i = 0; i < FULL_HEIGHT; i++) {
6	for (j = 0; j < FULL_WIDTH; j++) {
7
8	if (
9	j < BORDER_WIDTH \|\|
10	j >= FULL_WIDTH - BORDER_WIDTH \|\|
11	i >= FULL_HEIGHT - BORDER_WIDTH
12	) {
13	playfield[i][j] = TETRIS;
14	} else {
15	playfield[i][j] = EMPTY;
16	}
17	}
18	}
19	}
20
21
22	piece init_piece(tetromino new_piece) {
23
24	piece current_piece = {};
25
26	current_piece.name = new_piece;
27
28	current_piece.y = TOP_GAP;
29	current_piece.rotation = TOP;
30
31
32	switch (current_piece.name) {
33	case I_PIECE:
34	current_piece.size = 4;
35	current_piece.positions = 2;
36
37	current_piece.piece[0][0] = false;
38	current_piece.piece[0][1] = false;
39	current_piece.piece[0][2] = false;
40	current_piece.piece[0][3] = false;
41
42	current_piece.piece[1][0] = true;
43	current_piece.piece[1][1] = true;
44	current_piece.piece[1][2] = true;
45	current_piece.piece[1][3] = true;
46
47	current_piece.piece[2][0] = false;
48	current_piece.piece[2][1] = false;
49	current_piece.piece[2][2] = false;
50	current_piece.piece[2][3] = false;
51
52	current_piece.piece[3][0] = false;
53	current_piece.piece[3][1] = false;
54	current_piece.piece[3][2] = false;
55	current_piece.piece[3][3] = false;
56
57	current_piece.y = 0;
58
59	break;
60
61	case J_PIECE:
62	current_piece.size = 3;
63	current_piece.positions = 4;
64
65	current_piece.piece[0][0] = true;
66	current_piece.piece[0][1] = false;
67	current_piece.piece[0][2] = false;
68
69	current_piece.piece[1][0] = true;
70	current_piece.piece[1][1] = true;
71	current_piece.piece[1][2] = true;
72
73	current_piece.piece[2][0] = false;
74	current_piece.piece[2][1] = false;
75	current_piece.piece[2][2] = false;
76
77	break;
78
79	case L_PIECE:
80	current_piece.size = 3;
81	current_piece.positions = 4;
82
83	current_piece.piece[0][0] = false;
84	current_piece.piece[0][1] = false;
85	current_piece.piece[0][2] = true;
86
87	current_piece.piece[1][0] = true;
88	current_piece.piece[1][1] = true;
89	current_piece.piece[1][2] = true;
90
91	current_piece.piece[2][0] = false;
92	current_piece.piece[2][1] = false;
93	current_piece.piece[2][2] = false;
94
95	break;
96
97	case O_PIECE:
98	current_piece.size = 2;
99	current_piece.positions = 1;
100
101	current_piece.piece[0][0] = true;
102	current_piece.piece[0][1] = true;
103
104	current_piece.piece[1][0] = true;
105	current_piece.piece[1][1] = true;
106
107	break;
108
109	case S_PIECE:
110	current_piece.size = 3;
111	current_piece.positions = 2;
112
113	current_piece.piece[0][0] = false;
114	current_piece.piece[0][1] = true;
115	current_piece.piece[0][2] = true;
116
117	current_piece.piece[1][0] = true;
118	current_piece.piece[1][1] = true;
119	current_piece.piece[1][2] = false;
120
121	current_piece.piece[2][0] = false;
122	current_piece.piece[2][1] = false;
123	current_piece.piece[2][2] = false;
124
125	break;
126
127	case T_PIECE:
128	current_piece.size = 3;
129	current_piece.positions = 4;
130
131	current_piece.piece[0][0] = false;
132	current_piece.piece[0][1] = true;
133	current_piece.piece[0][2] = false;
134
135	current_piece.piece[1][0] = true;
136	current_piece.piece[1][1] = true;
137	current_piece.piece[1][2] = true;
138
139	current_piece.piece[2][0] = false;
140	current_piece.piece[2][1] = false;
141	current_piece.piece[2][2] = false;
142
143	break;
144	case Z_PIECE:
145	current_piece.size = 3;
146	current_piece.positions = 2;
147
148	current_piece.piece[0][0] = true;
149	current_piece.piece[0][1] = true;
150	current_piece.piece[0][2] = false;
151
152	current_piece.piece[1][0] = false;
153	current_piece.piece[1][1] = true;
154	current_piece.piece[1][2] = true;
155
156	current_piece.piece[2][0] = false;
157	current_piece.piece[2][1] = false;
158	current_piece.piece[2][2] = false;
159
160	break;
161	default:
162	perror("Fuck you\n");
163	break;
164	}
165
166	current_piece.x = ((FULL_WIDTH >> 1) - (current_piece.size >> 1));
167
168	return current_piece;
169	}
170
171
172
173	coord find_direction(piece current_piece, uint8_t x, uint8_t y) {
174
175	coord points = {
176	x,
177	y
178	};
179
180	switch (current_piece.rotation) {
181	case TOP:
182	/*
183	x = k;
184	y = j;
185	*/
186	break;
187	case RIGHT:
188	points.x = y;
189	points.y = current_piece.size - (x + 1);
190	break;
191	case BOTTOM:
192	points.x = current_piece.size - (x + 1);
193	points.y = current_piece.size - (y + 1);
194	break;
195	case LEFT:
196	points.x = current_piece.size - (y + 1);
197	points.y = x;
198	break;
199	}
200
201	return points;
202	}
203
204
205	bool valid_position(piece current_piece) {
206
207	uint8_t i, j;
208
209	for(i = 0; i < current_piece.size; i++) {
210	for (j = 0; j < current_piece.size; j++) {
211
212	coord points = find_direction(current_piece, j, i);
213
214	if (
215	current_piece.piece[i][j] &&
216	playfield[current_piece.y + points.y][current_piece.x + points.x] != EMPTY
217	) {
218	return false;
219	}
220	}
221	}
222
223	return true;
224	}